frame_ping.h

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/*
 *
 * Copyright 2015 gRPC authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */
 
#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_PING_H
#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_PING_H
 
#include <grpc/support/port_platform.h>
 
#include <stdint.h>
 
#include <grpc/slice.h>
 
#include "src/core/ext/transport/chttp2/transport/frame.h"
#include "src/core/lib/iomgr/error.h"
 
struct grpc_chttp2_ping_parser {
  uint8_t byte;
  uint8_t is_ack;
  uint64_t opaque_8bytes;
};
grpc_slice grpc_chttp2_ping_create(uint8_t ack, uint64_t opaque_8bytes);
 
grpc_error_handle grpc_chttp2_ping_parser_begin_frame(
    grpc_chttp2_ping_parser* parser, uint32_t length, uint8_t flags);
grpc_error_handle grpc_chttp2_ping_parser_parse(void* parser,
                                                grpc_chttp2_transport* t,
                                                grpc_chttp2_stream* s,
                                                const grpc_slice& slice,
                                                int is_last);
 
/* Test-only function for disabling ping ack */
void grpc_set_disable_ping_ack(bool disable_ping_ack);
 
#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_PING_H */